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mod_storage_appendmap/README.markdown @ 5698:17ea26cf7259
mod_storage_s3: Use '@' as placeholder for empty (host) store slots
Used when the server stores things for itself.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 14 Oct 2023 22:49:57 +0200 |
parent | 2818:88474dd1af48 |
rev | line source |
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2061
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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1 --- |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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changeset
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2 labels: |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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3 - 'Stage-Alpha' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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4 - 'Type-Storage' |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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5 summary: Experimental map store optimized for small incremental changes |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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6 ... |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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7 |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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8 This is an experimental storage driver where changed data is appended. |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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9 Data is simply written as `key = value` pairs to the end of the file. |
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mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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10 This allows changes to individual keys to be written without needing to |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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11 write out the entire object again, but reads would grow gradually larger |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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12 as it still needs to read old overwritten keys. This may be suitable for |
2818 | 13 e.g. rosters where individual contacts are changed at a time. In theory, |
2061
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
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14 this could also allow rolling back changes. |
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mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
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15 |
b84284144e21
mod_storage_appendmap: Experimental storage module optimized for map stores
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16 Requires 0.10 |